000 00323nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a517.38 B789
100 _aBOYCE.W.E
245 0 _aELEMENTARY DIFFERENTIAL EQUATIONS AND BOUNDARY VALE PROBLEMS
260 _aNEW YORK
_bWiley
_c1965
300 _a24X15
942 _cBK
_2DDC
999 _c12276
_d12276